In Episode 36 of Motor Trend's Head 2 Head, now that the Corvette ZR1 is no more, Jonny Lieberman has to look overseas to the Mercedes-Benz SLS AMG Black Series for a challenger with similar philosophy to the SRT Viper: long hood hiding a high-horsepower engine set way back, rear-wheel drive, tiny trunks. That puts the Viper's 8.4-liter V10 with 640 horsepower and 600 pound-feet of torque against the SLS AMG's 6.2-liter V8 with 622 hp and 468 lb-ft.

The 2014 model year is shaping up to be quite an exciting one for fans of Mercedes-Benz and its AMG cars. Two of the newest additions to the AMG family go on sale over the next couple months, and Mercedes has revealed pricing for the ultimate SLS AMG GT and its most powerful and exclusive C63 AMG variant. The 2014 C63 AMG Edition 507 goes on sale this month with a price starting at $70,000 (*not including $925 for destination) and the 2014 SLS AMG GT Black Series hits dealers in August – i

By now, you should know it takes quite a machine to get Chris Harris excited. The guy spends plenty of time being nonplussed by a bevy of lustworthy hardware. But the Mercedes-Benz SLS AMG Black Series seems to have done the impossible by getting under his skin. The ultra-exclusive, circuit-bred version of everyone's favorite gullwing features a wider track, substantially less weight, a revised engine and carbon ceramic brakes. With 630 horsepower on hand, the monster has no trouble dispatching

The recent Geneva Motor Show was a festival of hypercars, with the presence of not one, but three over-the-top debuts: the Lamborghini Veneno, McLaren P1 and Ferrari LeFerrari. The latter two have hitched their carbon fiber bumpers to the electrification bandwagon by using hybrid-electric powertrains not entirely unlike the propulsion systems we've come to know in cars like the Toyota Prius and Chevrolet Volt. Does that mean the flow of electrons up the four-wheeled food chain will eventually co